2571616 has 12 divisors (see below), whose sum is σ = 5062932. Its totient is φ = 1285792.

The previous prime is 2571599. The next prime is 2571619. The reversal of 2571616 is 6161752.

2571616 = T₅₈ + T₅₉ + ... + T₂₄₉.

2571616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2571616² = 13226417702912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2571619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40150 + ... + 40213.

It is an arithmetic number, because the mean of its divisors is an integer number (421911).

2^2571616 is an apocalyptic number.

It is an amenable number.

2571616 is a deficient number, since it is larger than the sum of its proper divisors (2491316).

2571616 is an equidigital number, since it uses as much as digits as its factorization.

2571616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80373 (or 80365 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 2571616 is about 1603.6258915346. The cubic root of 2571616 is about 137.0046706632.

The spelling of 2571616 in words is "two million, five hundred seventy-one thousand, six hundred sixteen".